226540712686919 has 2 divisors, whose sum is σ = 226540712686920. Its totient is φ = 226540712686918.

The previous prime is 226540712686903. The next prime is 226540712686949. The reversal of 226540712686919 is 919686217045622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 226540712686919 - 2⁴ = 226540712686903 is a prime.

It is a super-2 number, since 2×226540712686919² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (226540712686949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113270356343459 + 113270356343460.

It is an arithmetic number, because the mean of its divisors is an integer number (113270356343460).

Almost surely, 2^{226540712686919} is an apocalyptic number.

226540712686919 is a deficient number, since it is larger than the sum of its proper divisors (1).

226540712686919 is an equidigital number, since it uses as much as digits as its factorization.

226540712686919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 156764160, while the sum is 68.

The spelling of 226540712686919 in words is "two hundred twenty-six trillion, five hundred forty billion, seven hundred twelve million, six hundred eighty-six thousand, nine hundred nineteen".